Java by API/javax.swing.text/DefaultFormatterFactory

DefaultFormatterFactory: getDefaultFormatter()

   <source lang="java">

import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.GregorianCalendar; import javax.swing.JFormattedTextField; import javax.swing.JSpinner; import javax.swing.SpinnerDateModel; import javax.swing.text.DateFormatter; import javax.swing.text.DefaultFormatterFactory; public class Main {

 public static void main(String[] argv) throws Exception {
   Calendar calendar = new GregorianCalendar();
   calendar.set(Calendar.HOUR_OF_DAY, 13); // 1pm
   SpinnerDateModel dateModel = new SpinnerDateModel(calendar.getTime(), null,
       null, Calendar.HOUR_OF_DAY);
   JSpinner spinner = new JSpinner(dateModel);
   JFormattedTextField tf = ((JSpinner.DefaultEditor) spinner.getEditor()).getTextField();
   DefaultFormatterFactory factory = (DefaultFormatterFactory) tf.getFormatterFactory();
   DateFormatter formatter = (DateFormatter) factory.getDefaultFormatter();
   // Change the date format to only show the hours
   formatter.setFormat(new SimpleDateFormat("hh:00 a"));
   //formatter.setFormat(new SimpleDateFormat("HH:00 a"));
 }

}

 </source>
   
  
 
  

new DefaultFormatterFactory(AbstractFormatter d, AbstractFormatter di, AbstractFormatter e)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; import javax.swing.JFormattedTextField; import javax.swing.JFrame; import javax.swing.JTextField; import javax.swing.text.DateFormatter; import javax.swing.text.DefaultFormatterFactory; public class MainClass {

 public static void main(String args[]) throws Exception {
   JFrame frame = new JFrame("Formatted Example");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   DateFormat displayFormat = new SimpleDateFormat("yyyy--MMMM--dd");
   DateFormatter displayFormatter = new DateFormatter(displayFormat);
   DateFormat editFormat = new SimpleDateFormat("MM/dd/yy");
   DateFormatter editFormatter = new DateFormatter(editFormat);
   DefaultFormatterFactory factory = new DefaultFormatterFactory(displayFormatter,
       displayFormatter, editFormatter);
   JFormattedTextField date2TextField = new JFormattedTextField(factory, new Date());
   frame.add(date2TextField, BorderLayout.NORTH);
   ActionListener actionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       JFormattedTextField source = (JFormattedTextField) actionEvent.getSource();
       Object value = source.getValue();
       System.out.println("Class: " + value.getClass());
       System.out.println("Value: " + value);
     }
   };
   date2TextField.addActionListener(actionListener);
   frame.add(new JTextField(), BorderLayout.SOUTH);
   frame.setSize(250, 100);
   frame.setVisible(true);
 }

}

 </source>